;| ! *******************************************************************
;; ! lib:IsPtInView
;; ! *******************************************************************
;; ! ????????? ????????? ?? ????? ? ??????? ??????
;; ! Auguments: 'pt' - ????? ??? ??????? ? ???!!!
;; ! Return : T ??? nil ???? 'pt' ? ??????? ?????? ??? ???
;; ! *******************************************************************|;
(defun lib:IsPtInView (pt / VCTR Y_Len SSZ X_Pix Y_Pix X_Len Lc Uc)
(setq pt (trans pt 0 1))
(setq VCTR (getvar "VIEWCTR") Y_Len (getvar "VIEWSIZE")
SSZ (getvar "SCREENSIZE")
X_Pix (car SSZ) Y_Pix (cadr SSZ)
X_Len (* (/ X_Pix Y_Pix) Y_Len)
Lc (polar VCTR (dtr 180.0) (* 0.5 X_Len))
Uc (polar Lc 0.0 X_Len)
Lc (polar Lc (dtr 270.0) (* 0.5 Y_Len))
Uc (polar Uc (dtr 90.0) (* 0.5 Y_Len)))
(if (and (> (car pt) (car Lc))(< (car pt) (car Uc))
(> (cadr pt) (cadr Lc))(< (cadr pt) (cadr Uc)))
T nil))
(defun DTR (a)(* pi (/ a 180.0)))
;| ! ***************************************************************************
;; ! lib:pt_extents
;; ! ***************************************************************************
;; ! Function : ?????????? ??????? MIN, MAX X,Y,Z ?????? ?????
;; ! Argument : 'vlist' - ?????? ?????
;; ! Returns : ?????? ????? (??????? ?????????)
;; ! ***************************************************************************|;
(defun lib:pt_extents (vlist / tmp)
(setq tmp (mapcar '(lambda (x) (vl-remove-if 'null x))
(mapcar '(lambda (what) (mapcar '(lambda (x) (nth what x)) vlist))
'(0 1 2))));_setq
(list (mapcar '(lambda(x)(apply 'min x)) tmp)(mapcar '(lambda(x)(apply 'max x)) tmp)));_defun
;http://www.theswamp.org/index.php?topic=15123.0
;;;(defun GetBoundingBox-3d (pt_lst)
;;; (list (apply 'mapcar (cons 'min pt_lst))
;;; (apply 'mapcar (cons 'max pt_lst))
;;; )
;;
; ! ***********************************************************
;; ! lib:Zoom2Lst
;; ! **********************************************************
;; ! Function : Zoom ?????? ?????? ?????
;; ! Arguments: 'vlist' - ?????? ????? ? ???!!!!
;; ! ????????? ?????, ????? ??? ????? ???? ?????
;; ! Returns : t - ???? ???????????? nil - ???
;; ! **********************************************************
(defun lib:Zoom2Lst( vlist / bl tr Lst OS)
(setq Lst (lib:pt_extents vlist)
bl (car Lst) tr (cadr Lst))
(if (not (and (lib:IsPtInView bl) (lib:IsPtInView tr)))
(progn (setq OS (getvar "OSMODE"))(setvar "OSMODE" 0)
(command "_.Zoom" "_Window" (trans bl 0 1)(trans tr 0 1)
"_.Zoom" "0.95x")
(setvar "OSMODE" OS)
T) NIL))
;External contour of objects
(defun C:ECO ( / *error* blk obj MinPt MaxPt hiden pt pl unnamed_block isRus
tmp_blk adoc blks lays lay oname sel csp loc sc ec ret DS osm iNSpT)
(defun *error* (msg)(princ msg)(mapcar '(lambda (x) (vla-put-Visible x :vlax-true)) hiden)
(vla-endundomark adoc)(if (and tmp_blk (not (vlax-erased-p tmp_blk))(vlax-write-enabled-p tmp_blk) )
(vla-Erase tmp_blk))(if osm (setvar "OSMODE" osm))(foreach x loc (vla-put-lock x :vlax-true)))
(vl-load-com)(setvar "CMDECHO" 0)(setq osm (getvar "OSMODE"))
(if (zerop (getvar "WORLDUCS"))(progn(vl-cmdf "_.UCS" "")(vl-cmdf "_.Plan" "")))
(setq isRus (= (getvar "SysCodePage") "ANSI_1251"))
(setq adoc (vla-get-ActiveDocument (vlax-get-acad-object))
blks (vla-get-blocks adoc) lays (vla-get-layers adoc))
(vla-startundomark adoc)(if isRus (princ "\n???????? ??????? ??? ?????????? ???????")(princ "\nSelect objects for making a contour"))
(vlax-for lay lays
(if (= (vla-get-lock lay) :vlax-true)
(progn (vla-put-lock lay :vlax-false) (setq loc (cons lay loc))))
)
(if (setq sel (ssget))(progn
(setq sel (ssnamex sel))
;;; (setq iNSpT(apply 'mapcar (cons 'min
;;; (mapcar 'cadr (apply 'append (mapcar '(lambda(x)(vl-remove-if-not 'listp x)) sel))))))
(setq iNSpT '(0 0 0))
(setq sel (mapcar 'vlax-ename->vla-object(vl-remove-if 'listp (mapcar 'cadr sel))))
(setq csp (vla-objectidtoobject adoc (vla-get-ownerid (car sel))))
; (setq unnamed_block (vla-add (vla-get-blocks adoc)(vlax-3d-point '(0. 0. 0.)) "*U"))
(setq unnamed_block (vla-add (vla-get-blocks adoc)(vlax-3d-point inspt) "*U"))
(foreach x sel
(setq oname (strcase (vla-get-objectname x)))
(cond ((member oname '("ACDBVIEWPORT" "ACDBATTRIBUTEDEFINITION" "ACDBMTEXT" "ACDBTEXT")) nil)
((= oname "ACDBBLOCKREFERENCE")
(vla-InsertBlock unnamed_block
(vla-get-insertionpoint x)(vla-get-name x)
(vla-get-xscalefactor x)(vla-get-yscalefactor x)
(vla-get-zscalefactor x)(vla-get-rotation x))
(setq blk (cons x blk)))
(t (setq obj (cons x obj)))));_foreach
(setq lay (vla-item lays (getvar "CLAYER")))
(if (= (vla-get-lock lay) :vlax-true)(progn (vla-put-lock lay :vlax-false) (setq loc (cons lay loc))))
(if obj (progn (vla-copyobjects (vla-get-activedocument (vlax-get-acad-object))
(vlax-make-variant (vlax-safearray-fill
(vlax-make-safearray vlax-vbobject (cons 0 (1- (length obj))))
obj)) unnamed_block)))
(setq obj (append obj blk))
(if obj (progn
;(setq tmp_blk (vla-insertblock csp (vlax-3d-point '(0. 0. 0.))(vla-get-name unnamed_block) 1.0 1.0 1.0 0.0))
(setq tmp_blk (vla-insertblock csp (vlax-3d-point inspt)(vla-get-name unnamed_block) 1.0 1.0 1.0 0.0))
(vla-GetBoundingBox tmp_blk 'MinPt 'MaxPt) ;_??????? ?????
(setq MinPt (vlax-safearray->list MinPt) MaxPt (vlax-safearray->list MaxPt)
DS (max (distance MinPt (list (car MinPt)(cadr MaxPt)))
(distance MinPt (list (car MaxPt)(cadr MinPt))))
DS (* 0.2 DS) ;1/5
DS (max DS 10) MinPt (mapcar '- MinPt (list DS DS))
MaxPt (mapcar '+ MaxPt (list DS DS)))
(lib:Zoom2Lst (list MinPt MaxPt))(setq sset (ssget "_C" MinPt MaxPt))
(if sset (progn (setvar "OSMODE" 0)
(setq hiden (mapcar 'vlax-ename->vla-object(vl-remove-if 'listp (mapcar 'cadr (ssnamex sset))))
hiden (vl-remove tmp_blk hiden))
(mapcar '(lambda(x)(vla-put-Visible x :vlax-false)) hiden)
(setq pt (mapcar '+ MinPt (list (* 0.5 DS)(* 0.5 DS))))
(vl-cmdf "_.RECTANG" (trans MinPt 0 1)(trans MaxPt 0 1))
(setq pl (vlax-ename->vla-object(entlast)))
(setq sc (1-(vla-get-count csp)))
(if (VL-CATCH-ALL-ERROR-P (VL-CATCH-ALL-APPLY '(lambda ()
(vl-cmdf "_-BOUNDARY" (trans pt 0 1) "")
(while (> (getvar "CMDACTIVE") 0)(command "")))))
(if isRus (princ "\n?? ??????? ????????? ??????")(princ "\nIt was not possible to construct a contour")))
(setq ec (vla-get-count csp))
(while (< sc ec)(setq ret (append ret (list (vla-item csp sc))) sc(1+ sc)))
(setq ret (vl-remove pl ret))
(mapcar '(lambda (x)(vla-Erase x)(vlax-release-object x))(list pl tmp_blk))(setq pl nil tmp_blk nil)
(setq ret (mapcar '(lambda ( x / mipt)(vla-GetBoundingBox x 'MiPt nil) ;_??????? ?????
(setq MiPt (vlax-safearray->list MiPt))(list MiPt x)) ret))
(setq ret (vl-sort ret '(lambda (e1 e2)(< (distance MinPt (car e1))(distance MinPt (car e2))))))
(setq pl (nth 1 ret) ret (vl-remove pl ret)) (mapcar 'vla-erase (mapcar 'cadr ret))
(mapcar '(lambda(x)(vla-put-Visible x :vlax-true)) hiden)
(foreach x loc (vla-put-lock x :vlax-true))
(if pl (progn (initget "Yes No")
(if (= (getkword (if isRus "\n??????? ???????? [Yes/No]
: " "\nDelete objects? [Yes/No] : ")) "Yes")
(mapcar '(lambda (x) (if (vlax-write-enabled-p x)(vla-Erase x))) obj)))
(if isRus (princ "\n?? ??????? ????????? ??????")(princ "\nIt was not possible to construct a contour")))))))
(VL-CATCH-ALL-APPLY '(lambda ()(mapcar 'vlax-release-object
(list unnamed_block tmp_blk csp blks lays))))));_if not
(foreach x loc (vla-put-lock x :vlax-true))(setvar "OSMODE" osm)
(vla-endundomark adoc)(vlax-release-object adoc)(princ))
nguồn bài viết :https://www.cadviet.com/forum/topic/145843-xin-lisp-lisp-boundary-th%C3%A0nh-1-h%C3%ACnh/
Tue Apr 09, 2024 11:15 am by 
Tiêu đề: lisp tạo đường bao bằng region hoặc polyline 
